52261388 has 24 divisors (see below), whose sum is σ = 94174080. Its totient is φ = 25361280.

The previous prime is 52261379. The next prime is 52261399. The reversal of 52261388 is 88316225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35858 + ... + 37286.

It is an arithmetic number, because the mean of its divisors is an integer number (3923920).

Almost surely, 2^52261388 is an apocalyptic number.

It is an amenable number.

52261388 is a deficient number, since it is larger than the sum of its proper divisors (41912692).

52261388 is a wasteful number, since it uses less digits than its factorization.

52261388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1695 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 52261388 is about 7229.2038289150. The cubic root of 52261388 is about 373.8754768609.

The spelling of 52261388 in words is "fifty-two million, two hundred sixty-one thousand, three hundred eighty-eight".